<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>domApi</title>
</head>
<body>
    <div id="result"></div>
    <script>
        if(typeof(Storage)!=="undefined"){
            try{
                localStorage.setItem("sitename","domapi");
                document.getElementById("result").innerHTML=localStorage.getItem("sitename");
            }catch(e){
                document.getElementById("result").innerHTML="sorry"
            }
        }
        function getDomResult(){
            let str=document.getElementById("result").innerHTML
            return str
        }
    </script>
</body>
</html>